[Bug 93342] [SKL] Unable to login with 3 monitors connected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93342

            Bug ID: 93342
           Summary: [SKL] Unable to login with 3 monitors connected
           Product: Mesa
           Version: 11.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: humberto.i.perez.rodriguez at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Created attachment 120460
  --> https://bugs.freedesktop.org/attachment.cgi?id=120460&action=edit
dmesg.log

==Regresion==
--------------------------------------------------
Not sure


==Bug detailed description==
--------------------------------------------------
Unable to login with 3 monitors connected on ubuntu 15.10 x64

==Attachments==
--------------------------------------------------
dmesg.log
Xorg.log

==Steps to reproduce==
--------------------------------------------------
Start the system with 3 monitors connected to the system and try to login


==Actual results==
--------------------------------------------------
Unable to login with 3 monitors connected

==Expected results==

------------------------------------------------
Ubuntu must be able to login with 3 monitors connected to the system 


==Additional information==

------------------------------------------------
Ubuntu only allows login with 2 monitors connected to the system


--- Hardware information ---
Motherboard model             : Skylake Client platform
Motherboard type              : Skylake Y LPDDR3 RVP3 Laptop
Motherboard manufacturer      : Intel Corporation
CPU information               : Intel(R) Core(TM) m5-6Y57 CPU @ 1.10GHz
GPU Card                      : Intel Corporation Sky Lake Integrated Graphics
(rev 07) (prog-if 00 [VGA controller])
KSC                           : 1.15

Linux distribution: Ubuntu 15.10 LTS 64 bits
Kernel: 4.3 mainline from
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/?id=refs/tags/v4.3
Bios SKL: SKLSE2R1.R00.B104.B01.1511110114)
xorg-server-1.18.0 from http://cgit.freedesktop.org/xorg/xserver
libdrm-2.4.65 from http://cgit.freedesktop.org/mesa/drm/
xf86-video-intel 2.99.917 from
http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/
mesa-11.0.4 from http://cgit.freedesktop.org/mesa/mesa/
libva-1.6.2.pre1 from http://cgit.freedesktop.org/libva/
vaapi-intel-driver 1.6.2.pre1 from
http://cgit.freedesktop.org/vaapi/intel-driver
cairo 1.14.4 from http://cgit.freedesktop.org/cairo
Rendercheck 1.5 from http://cgit.freedesktop.org/xorg/app/rendercheck
SKL-Y :  DMC 1.23 and GUC 4.3 firmware from
https://01.org/linuxgraphics/intel-linux-graphics-firmwares
IGT 1.13:
http://cgit.freedesktop.org/xorg/app/intel-gpu-tools/commit/?id=2db78a4995a8ee298ae0cd68879baf80407a0e5e

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